This is an interesting question.
The topic asks what game I was introduced to roleplaying (paraphrased)
The first "roleplaying" game I every played was Rolemaster. I played for several "games" yet shy away from calling it a "campaign". The players didn't stay in character nor did the GM...
The driving suspense of the film was the mystery of who might be the Thing. This doppelganger scenario is tricky to play out in D&D but can be done.
The thing Des toys what it mimics, so this might not be fun for the PCs. Should the Thing be hiding out among npcs, i wonder if the PCs would...
The next question of course might be: How would they keep the heart "beating"? My guess is they would need to bring the angel in alive. (and quickly too, otherwise he might have time to "repent"
also, might an evil Deva PC be considered a "Fallen Angel"?
The PCs are evil I take it?
Here's a way for an evil person to trick an angel.
1) Find an evil woman. (Try the dregs of a major city.) perhaps even an evil female pc. Impregnate her. (use your imagination how).
2)Have her attack the angel. All the while proving that she is evil, (Spouting...
Initially, I thought when you chose a specific form you must be that form every time you Wildshaped. (This must be a holdout on my mind from the shapeshift druid option from 3.5).
Upon rereading it today I see you are right! It doesn't say anything about it being stuck to a form.
Good catch.